/*
 * Copyright (C) 2020 Christian Pierre MOMON <christian@momon.org>
 * 
 * This file is part of StatoolInfos, simple service statistics tool.
 * 
 * StatoolInfos is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * StatoolInfos is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
 */
package fr.devinsy.statoolinfos.htmlize.charts;

import java.io.IOException;
import java.time.LocalDate;
import java.time.LocalDateTime;

import org.apache.commons.codec.digest.DigestUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import fr.devinsy.statoolinfos.core.StatoolInfosException;
import fr.devinsy.strings.StringList;
import fr.devinsy.xidyn.utils.XidynUtils;

/**
 * The Class projectsRawPageBuilder.
 */
public class FooChartView
{
    private static Logger logger = LoggerFactory.getLogger(FooChartView.class);

    public static String build() throws StatoolInfosException
    {
        String result;

        try
        {
            String source = XidynUtils.load(FooChartView.class.getResource("/fr/devinsy/statoolinfos/htmlize/charts/foo.xhtml"));
            String code = XidynUtils.extractBodyContent(source);

            code = code.replaceAll("myChart", "myChart_" + DigestUtils.md5Hex(LocalDateTime.now() + "lineChart"));

            // DO MonthsBarChart

            LocalDate start = LocalDate.parse("2020-01-01");
            LocalDate end = LocalDate.parse("2020-12-31");

            DateCountList dates = new DateCountList();
            dates.add(new DateCount("202001", 7));
            dates.add(new DateCount("202002", 9));
            dates.add(new DateCount("202003", 4));
            dates.add(new DateCount("202004", 2));
            dates.add(new DateCount("202005", 1));
            dates.add(new DateCount("202006", 7));

            StringList labels = ChabuUtils.buildYearMonthLabels(start, end);
            StringList values = ChabuUtils.normalizedMonthCountList(dates, start, end).toValueList();
            code = code.replaceAll("data: \\[.*\\]", "data: " + ChabuUtils.toJSonNumbers(labels, values));

            /*
            StringList labels = ChabuUtils.buildWeekLabels(LocalDate.parse("2020-01-01"), LocalDate.parse("2020-12-31"));
            DateCountList dates = project.issueStats().getWeekCreatedIssueCounts();
            StringList values = ChabuUtils.normalizedWeekCountList(dates, start, end).toValueList();
            code = code.replaceAll("data: \\[.*\\]", "data: " + ChabuUtils.toJSonNumbers(labels, values));
            
            dates = project.issueStats().getWeekConcludedIssueCounts();
            values = ChabuUtils.normalizedWeekCountList(dates, start, end).toValueList();
            code = code.replaceAll("data: \\[.*\\] ", "data: " + ChabuUtils.toJSonNumbers(labels, values));
            */
            result = code.toString();
        }
        catch (IOException exception)
        {
            throw new StatoolInfosException("Error building foo charts view: " + exception.getMessage(), exception);
        }

        //
        return result;
    }
}